CVE-2020-23957

6.1 mediumEPSS 0.7%

Medium (6.1) in pega pega platform. EPSS 0.7% chance of exploitation in the next 30 days.

Pega Platform through 8.4.x is affected by Cross Site Scripting (XSS) via the ConnectionID parameter, as demonstrated by a pyActivity=Data-TRACERSettings.pzStartTracerSession request to a PRAuth URI.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-12-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

pega:pega_platform

References

https://jayaramyalla.medium.com/cross-site-scripting-in-pega-cve-2020-23957-16d1c417da5f
https://jayaramyalla.medium.com/cross-site-scripting-in-pega-cve-2020-23957-16d1c417da5f

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